Move _repr_png_ closer to the top.

pixelocr/image.py

@@ -7,13 +7,20 @@ from skimage.color import rgb2gray
 from .utils import cached_property
 
 
-class Image(object):
+class Image(IPythonImageMixin):
+    """Basic image class."""
+
     def __init__(self, data):
         self._data = data
 
     def __getitem__(self, key):
         return type(self)(self._data.__getitem__(key))
 
+    def _repr_png_(self):
+        buf = BytesIO()
+        imsave(buf, self._data)
+        return buf.getvalue()
+
     @classmethod
     def fromfile(cls, filename):
         return cls(imread(filename))
@@ -30,11 +37,6 @@ class Image(object):
     def T(self):
         return type(self)(self._data.swapaxes(0, 1))
 
-    def _repr_png_(self):
-        buf = BytesIO()
-        imsave(buf, self._data)
-        return buf.getvalue()
-
     @property
     def height(self):
         return self._data.shape[0]